<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="标题" prop="contact_name">
        <el-input
          v-model="queryParams.title"
          placeholder="请输入轮播图标题"
          clearable
          style="width: 240px"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>


      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['system:config:add']"
        >新增
        </el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="configList" @selection-change="handleSelectionChange">
      <el-table-column label="ID" align="center" prop="id"/>
      <el-table-column label="标题" align="center" prop="title" :show-overflow-tooltip="true"/>
      <!--      <el-table-column label="图片" align="center" prop="company_address" />-->
      <!--      <el-table-column label="图片" align="center" prop="image" :show-overflow-tooltip="true"/>-->

      <el-table-column label="图片" align="center" prop="image">
        <template slot-scope="scope">
          <el-image
            :src="scope.row.image"
            alt="图片"
            style="width: 100px; height: 100px; object-fit: cover;"
            @click="handlePreview(scope.row.image)"
            fit="cover"
          />
        </template>
      </el-table-column>


      <el-table-column label="创建时间" align="center" prop="create_time"/>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:config:edit']"
          >修改
          </el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:config:remove']"
          >删除
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改参数配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="50%" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入标题"/>
        </el-form-item>

        <el-form-item label="图片" prop="image">
          <el-upload
            class="upload-demo"
            action="http://localhost:5000/api/file/upload"
            :on-success="handleUploadSuccess"
            :on-error="handleUploadError"
            :show-file-list="false"
            accept="image/*"
          >
            <el-button size="small" type="primary">上传图片</el-button>
          </el-upload>
          <div v-show="form.image" style="margin-top: 10px;">
            <el-image :src="form.image" alt="图片预览" style="width: 100px; height: 100px; object-fit: cover;"/>
          </div>
        </el-form-item>


      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogVisible" width="70%">
      <img :src="currentImage" alt="预览图" style="width: 100%;"/>
    </el-dialog>

  </div>
</template>

<script>
import {
  pageCarousel,
  detailCarousel,
  updateCarousel,
  addCarousel,
  delCarousel
} from "@/api/system/carousel";

export default {
  name: "Config",
  dicts: ['sys_yes_no'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 参数表格数据
      configList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 日期范围
      dateRange: [],
      dialogVisible: false,
      currentImage: '',
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        configName: undefined,
        configKey: undefined,
        configType: undefined
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        configName: [
          {required: true, message: "参数名称不能为空", trigger: "blur"}
        ],
        configKey: [
          {required: true, message: "参数键名不能为空", trigger: "blur"}
        ],
        configValue: [
          {required: true, message: "参数键值不能为空", trigger: "blur"}
        ]
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {

    handleUploadSuccess(response, file) {
      console.log(response.data)
      this.form.image = response.data; // 假设接口返回的图片URL在file.response.url中
    },
    handleUploadError(err, file) {
      this.$message.error('上传失败');
    },

    /** 查询参数列表 */
    getList() {
      this.loading = true;
      pageCarousel(this.queryParams).then(response => {
          this.configList = response.rows;
          this.total = response.total;
          this.loading = false;
        }
      );
    },
    handlePreview(image) {
      this.currentImage = image;
      this.dialogVisible = true;
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {};
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.dateRange = [];
      this.resetForm("queryForm");
      this.handleQuery();
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加参数";
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length != 1
      this.multiple = !selection.length
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      detailCarousel({id: id}).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改新闻";
      });
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateCarousel(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addCarousel(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const id = row.id || this.ids;
      this.$modal.confirm('是否确认删除参数编号为"' + id + '"的数据项？').then(function () {
        return delCarousel({id: id});
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {
      });
    }

  }
};
</script>
